【臨床症状】70代 転倒受傷 疼痛著明
【問題】画像所見と診断名は?
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※脂肪抑制、T1WIの順に表示されます
➡ 横断像/矢状断像
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※T1WI、T2WI、脂肪抑制の横断像、T2*の横断像、脂肪抑制の(斜)矢状断の順に表示されます
▶答えはこちら
- 棘上筋腱に軽度の信号上昇を認め部分断裂疑い
- また棘上筋にも脂肪抑制で高信号あり、こちらは筋挫傷が疑われる
- 年齢も加味され、転倒による腱板損傷が疑われた
- また横断像にて関節唇背側に骨折線を認め、Reverse Bankart損傷が疑われる
- 脂肪抑制画像で高信号を認める事から、こちらも今回の転倒による後方脱臼があったものと考えられる
- 他には矢状断にて三角筋の外側に高信号を認め、筋損傷疑い
・Reverse Bankart lesion
後方脱臼による後方関節唇の剥離、または関節窩後縁の骨折、上腕骨頭前面の陥凹や骨髄浮腫(Reverse Hill Saches lesion)を伴う事がある
骨軟部疾患の画像診断 第2版 P178